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* feat: support service-lb Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: register service-lb reconciler Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: a typo in ServiceReconciler Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: ServiceReconciler and NodeReconciler watching resources Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: grant permission to list, watch, get nodes Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: create/update DaemonSet Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: service-lb image Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: wrong owner reference Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: no enough permission to update/patch event Signed-off-by: Lin Yang <reaver@flomesh.io> * refactor: add log fo debugging Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: NodeReconciler Signed-off-by: Lin Yang <reaver@flomesh.io> * refactor: add log for debugging Signed-off-by: Lin Yang <reaver@flomesh.io> * fix: empty ProxyProfile spec hash Signed-off-by: Lin Yang <reaver@flomesh.io> * test: disable k3s service-lb Signed-off-by: Lin Yang <reaver@flomesh.io> * chore: regenerate deploy yaml Signed-off-by: Lin Yang <reaver@flomesh.io> Signed-off-by: Lin Yang <reaver@flomesh.io>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * MIT License | ||
| * | ||
| * Copyright (c) since 2021, flomesh.io Authors. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| package servicelb | ||
|
|
||
| import ( | ||
| "context" | ||
| _ "embed" | ||
| "github.com/flomesh-io/fsm/pkg/config" | ||
| "github.com/flomesh-io/fsm/pkg/kube" | ||
| appv1 "k8s.io/api/apps/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/client-go/tools/record" | ||
| "k8s.io/klog/v2" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| // NodeReconciler reconciles a Node object | ||
| type NodeReconciler struct { | ||
| client.Client | ||
| K8sAPI *kube.K8sAPI | ||
| Scheme *runtime.Scheme | ||
| Recorder record.EventRecorder | ||
| ControlPlaneConfigStore *config.Store | ||
| } | ||
|
|
||
| // Reconcile is part of the main kubernetes reconciliation loop which aims to | ||
| // move the current state of the cluster closer to the desired state. | ||
| // TODO(user): Modify the Reconcile function to compare the state specified by | ||
| // the Node object against the actual cluster state, and then | ||
| // perform operations to make the cluster state reflect the state specified by | ||
| // the user. | ||
| // | ||
| // For more details, check Reconcile and its Result here: | ||
| // - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.10.0/pkg/reconcile | ||
| func (r *NodeReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { | ||
| // Fetch the Node instance | ||
| node := &corev1.Node{} | ||
| if err := r.Get( | ||
| ctx, | ||
| req.NamespacedName, | ||
| node, | ||
| ); err != nil { | ||
| if errors.IsNotFound(err) { | ||
| // Request object not found, could have been deleted after reconcile request. | ||
| // Owned objects are automatically garbage collected. For additional cleanup logic use finalizers. | ||
| // Return and don't requeue | ||
| klog.V(3).Info("Node resource not found. Ignoring since object must be deleted") | ||
| return ctrl.Result{}, nil | ||
| } | ||
| // Error reading the object - requeue the request. | ||
| klog.Errorf("Failed to get Node, %#v", err) | ||
| return ctrl.Result{}, err | ||
| } | ||
|
|
||
| if _, ok := node.Labels[daemonsetNodeLabel]; !ok { | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
|
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| if err := r.updateDaemonSets(ctx); err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
|
|
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| return ctrl.Result{}, nil | ||
| } | ||
|
|
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| func (r *NodeReconciler) updateDaemonSets(ctx context.Context) error { | ||
| klog.V(5).Infof("Updating DaemonSets due to node labels change ...") | ||
|
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| daemonsets := &appv1.DaemonSetList{} | ||
| if err := r.List( | ||
| ctx, | ||
| daemonsets, | ||
| client.InNamespace(corev1.NamespaceAll), | ||
| client.MatchingLabels{ | ||
| nodeSelectorLabel: "false", | ||
| }, | ||
| ); err != nil { | ||
| return err | ||
| } | ||
|
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||
| for _, ds := range daemonsets.Items { | ||
| ds.Spec.Template.Spec.NodeSelector = map[string]string{ | ||
| daemonsetNodeLabel: "true", | ||
| } | ||
| ds.Labels[nodeSelectorLabel] = "true" | ||
| if err := r.Update(ctx, &ds); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| // SetupWithManager sets up the controller with the Manager. | ||
| func (r *NodeReconciler) SetupWithManager(mgr ctrl.Manager) error { | ||
| return ctrl.NewControllerManagedBy(mgr). | ||
| For(&corev1.Node{}). | ||
| Complete(r) | ||
| } |
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